<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>The first task</title>
</head>
<body>
    <style type="text/css">
        body{
            height:100vh;
            width:100vw;
        }
    </style>
    <div class="left" id="left" style="text-align:center;">
        <h2>
            <span>This part should be</span>
            <span><i>Left</i></span>
        </h2>
    </div>
    <script type="text/javascipt" charset="UTF-8"> 
        alert("Hello World");
    </script>
</body>
</html>
